Examples with SnapshotShardSizeInfo org.opensearch.snapshots.SnapshotShardSizeInfo used on opensource projects

Example 1 with SnapshotShardSizeInfo

use of org.opensearch.snapshots.SnapshotShardSizeInfo in project OpenSearch by opensearch-project.

the class DiskThresholdDeciderTests method testDiskThresholdWithSnapshotShardSizes.

public void testDiskThresholdWithSnapshotShardSizes() {
    final long shardSizeInBytes = randomBoolean() ? 10L : 50L;
    logger.info("--> using shard size [{}]", shardSizeInBytes);
    final Settings diskSettings = Settings.builder().put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED_SETTING.getKey(), true).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_LOW_DISK_WATERMARK_SETTING.getKey(), "90%").put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_HIGH_DISK_WATERMARK_SETTING.getKey(), "95%").build();
    final ImmutableOpenMap.Builder<String, DiskUsage> usagesBuilder = ImmutableOpenMap.builder();
    // 79% used
    usagesBuilder.put("node1", new DiskUsage("node1", "n1", "/dev/null", 100, 21));
    // 99% used
    usagesBuilder.put("node2", new DiskUsage("node2", "n2", "/dev/null", 100, 1));
    final ImmutableOpenMap<String, DiskUsage> usages = usagesBuilder.build();
    final ClusterInfoService clusterInfoService = () -> new DevNullClusterInfo(usages, usages, ImmutableOpenMap.of());
    final AllocationDeciders deciders = new AllocationDeciders(new HashSet<>(Arrays.asList(new RestoreInProgressAllocationDecider(), new SameShardAllocationDecider(Settings.EMPTY, new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS)), makeDecider(diskSettings))));
    final Snapshot snapshot = new Snapshot("_repository", new SnapshotId("_snapshot_name", UUIDs.randomBase64UUID(random())));
    final IndexId indexId = new IndexId("_indexid_name", UUIDs.randomBase64UUID(random()));
    final ShardId shardId = new ShardId(new Index("test", IndexMetadata.INDEX_UUID_NA_VALUE), 0);
    final Metadata metadata = Metadata.builder().put(IndexMetadata.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(0).putInSyncAllocationIds(0, singleton(AllocationId.newInitializing().getId()))).build();
    final RoutingTable routingTable = RoutingTable.builder().addAsNewRestore(metadata.index("test"), new RecoverySource.SnapshotRecoverySource("_restore_uuid", snapshot, Version.CURRENT, indexId), new IntHashSet()).build();
    final ImmutableOpenMap.Builder<ShardId, RestoreInProgress.ShardRestoreStatus> shards = ImmutableOpenMap.builder();
    shards.put(shardId, new RestoreInProgress.ShardRestoreStatus("node1"));
    final RestoreInProgress.Builder restores = new RestoreInProgress.Builder().add(new RestoreInProgress.Entry("_restore_uuid", snapshot, RestoreInProgress.State.INIT, singletonList("test"), shards.build()));
    ClusterState clusterState = ClusterState.builder(new ClusterName(getTestName())).metadata(metadata).routingTable(routingTable).putCustom(RestoreInProgress.TYPE, restores.build()).nodes(// node2 is added because DiskThresholdDecider
    DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2"))).build();
    assertThat(clusterState.getRoutingNodes().shardsWithState(UNASSIGNED).stream().map(ShardRouting::unassignedInfo).allMatch(unassignedInfo -> Reason.NEW_INDEX_RESTORED.equals(unassignedInfo.getReason())), is(true));
    assertThat(clusterState.getRoutingNodes().shardsWithState(UNASSIGNED).stream().map(ShardRouting::unassignedInfo).allMatch(unassignedInfo -> AllocationStatus.NO_ATTEMPT.equals(unassignedInfo.getLastAllocationStatus())), is(true));
    assertThat(clusterState.getRoutingNodes().shardsWithState(UNASSIGNED).size(), equalTo(1));
    final AtomicReference<SnapshotShardSizeInfo> snapshotShardSizeInfoRef = new AtomicReference<>(SnapshotShardSizeInfo.EMPTY);
    final AllocationService strategy = new AllocationService(deciders, new TestGatewayAllocator(), new BalancedShardsAllocator(Settings.EMPTY), clusterInfoService, snapshotShardSizeInfoRef::get);
    // reroute triggers snapshot shard size fetching
    clusterState = strategy.reroute(clusterState, "reroute");
    logShardStates(clusterState);
    // shard cannot be assigned yet as the snapshot shard size is unknown
    assertThat(clusterState.getRoutingNodes().shardsWithState(UNASSIGNED).stream().map(ShardRouting::unassignedInfo).allMatch(unassignedInfo -> AllocationStatus.FETCHING_SHARD_DATA.equals(unassignedInfo.getLastAllocationStatus())), is(true));
    assertThat(clusterState.getRoutingNodes().shardsWithState(UNASSIGNED).size(), equalTo(1));
    final SnapshotShard snapshotShard = new SnapshotShard(snapshot, indexId, shardId);
    final ImmutableOpenMap.Builder<SnapshotShard, Long> snapshotShardSizes = ImmutableOpenMap.builder();
    final boolean shouldAllocate;
    if (randomBoolean()) {
        logger.info("--> simulating snapshot shards size retrieval success");
        snapshotShardSizes.put(snapshotShard, shardSizeInBytes);
        logger.info("--> shard allocation depends on its size");
        shouldAllocate = shardSizeInBytes < usages.get("node1").getFreeBytes();
    } else {
        logger.info("--> simulating snapshot shards size retrieval failure");
        snapshotShardSizes.put(snapshotShard, ShardRouting.UNAVAILABLE_EXPECTED_SHARD_SIZE);
        logger.info("--> shard is always allocated when its size could not be retrieved");
        shouldAllocate = true;
    }
    snapshotShardSizeInfoRef.set(new SnapshotShardSizeInfo(snapshotShardSizes.build()));
    // reroute uses the previous snapshot shard size
    clusterState = startInitializingShardsAndReroute(strategy, clusterState);
    logShardStates(clusterState);
    assertThat(clusterState.getRoutingNodes().shardsWithState(UNASSIGNED).size(), equalTo(shouldAllocate ? 0 : 1));
    assertThat(clusterState.getRoutingNodes().shardsWithState("test", INITIALIZING, STARTED).size(), equalTo(shouldAllocate ? 1 : 0));
}

Example 2 with SnapshotShardSizeInfo

use of org.opensearch.snapshots.SnapshotShardSizeInfo in project OpenSearch by opensearch-project.

the class NodeVersionAllocationDeciderTests method testRestoreDoesNotAllocateSnapshotOnOlderNodes.

public void testRestoreDoesNotAllocateSnapshotOnOlderNodes() {
    final DiscoveryNode newNode = new DiscoveryNode("newNode", buildNewFakeTransportAddress(), emptyMap(), MASTER_DATA_ROLES, Version.CURRENT);
    final DiscoveryNode oldNode1 = new DiscoveryNode("oldNode1", buildNewFakeTransportAddress(), emptyMap(), MASTER_DATA_ROLES, VersionUtils.getPreviousVersion());
    final DiscoveryNode oldNode2 = new DiscoveryNode("oldNode2", buildNewFakeTransportAddress(), emptyMap(), MASTER_DATA_ROLES, VersionUtils.getPreviousVersion());
    final Snapshot snapshot = new Snapshot("rep1", new SnapshotId("snp1", UUIDs.randomBase64UUID()));
    final IndexId indexId = new IndexId("test", UUIDs.randomBase64UUID(random()));
    final int numberOfShards = randomIntBetween(1, 3);
    final IndexMetadata.Builder indexMetadata = IndexMetadata.builder("test").settings(settings(Version.CURRENT)).numberOfShards(numberOfShards).numberOfReplicas(randomIntBetween(0, 3));
    for (int i = 0; i < numberOfShards; i++) {
        indexMetadata.putInSyncAllocationIds(i, Collections.singleton("_test_"));
    }
    Metadata metadata = Metadata.builder().put(indexMetadata).build();
    final ImmutableOpenMap.Builder<InternalSnapshotsInfoService.SnapshotShard, Long> snapshotShardSizes = ImmutableOpenMap.builder(numberOfShards);
    final Index index = metadata.index("test").getIndex();
    for (int i = 0; i < numberOfShards; i++) {
        final ShardId shardId = new ShardId(index, i);
        snapshotShardSizes.put(new InternalSnapshotsInfoService.SnapshotShard(snapshot, indexId, shardId), randomNonNegativeLong());
    }
    ClusterState state = ClusterState.builder(org.opensearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(RoutingTable.builder().addAsRestore(metadata.index("test"), new SnapshotRecoverySource(UUIDs.randomBase64UUID(), snapshot, Version.CURRENT, indexId)).build()).nodes(DiscoveryNodes.builder().add(newNode).add(oldNode1).add(oldNode2)).build();
    AllocationDeciders allocationDeciders = new AllocationDeciders(Arrays.asList(new ReplicaAfterPrimaryActiveAllocationDecider(), new NodeVersionAllocationDecider()));
    AllocationService strategy = new MockAllocationService(allocationDeciders, new TestGatewayAllocator(), new BalancedShardsAllocator(Settings.EMPTY), EmptyClusterInfoService.INSTANCE, () -> new SnapshotShardSizeInfo(snapshotShardSizes.build()));
    state = strategy.reroute(state, new AllocationCommands(), true, false).getClusterState();
    // Make sure that primary shards are only allocated on the new node
    for (int i = 0; i < numberOfShards; i++) {
        assertEquals("newNode", state.routingTable().index("test").getShards().get(i).primaryShard().currentNodeId());
    }
}

Example 3 with SnapshotShardSizeInfo

use of org.opensearch.snapshots.SnapshotShardSizeInfo in project OpenSearch by opensearch-project.

the class PrimaryShardAllocatorTests method getRestoreRoutingAllocation.

private RoutingAllocation getRestoreRoutingAllocation(AllocationDeciders allocationDeciders, Long shardSize, String... allocIds) {
    Metadata metadata = Metadata.builder().put(IndexMetadata.builder(shardId.getIndexName()).settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(0).putInSyncAllocationIds(0, Sets.newHashSet(allocIds))).build();
    final Snapshot snapshot = new Snapshot("test", new SnapshotId("test", UUIDs.randomBase64UUID()));
    RoutingTable routingTable = RoutingTable.builder().addAsRestore(metadata.index(shardId.getIndex()), new SnapshotRecoverySource(UUIDs.randomBase64UUID(), snapshot, Version.CURRENT, new IndexId(shardId.getIndexName(), UUIDs.randomBase64UUID(random())))).build();
    ClusterState state = ClusterState.builder(org.opensearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(routingTable).nodes(DiscoveryNodes.builder().add(node1).add(node2).add(node3)).build();
    return new RoutingAllocation(allocationDeciders, new RoutingNodes(state, false), state, null, new SnapshotShardSizeInfo(ImmutableOpenMap.of()) {

        @Override
        public Long getShardSize(ShardRouting shardRouting) {
            return shardSize;
        }
    }, System.nanoTime());
}